# Product Introduction
The capacitive humidity measuring probe is designed for the most common applications in heating, air conditioning and ventilation technology. It features high measurement accuracy, excellent long-term stability and good chemical resistance.
# Product Parameters
## General Technical Data
Output: 4 to 20 mA, 0 to 1 V, 0 to 5 V, 0 to 10 V and Pt100/Pt1000 (with passive T)
Application: Building automation, storage rooms, air conditioning and ventilation control systems
Versions: Indoor, duct, wall-mounted and probe types
CO₂ Sensing Element: NDIR (Non-Dispersive Infrared Technology)
Ingress Protection Rating: IP20 for indoor version; IP65 for wall-mounted, duct and probe versions
Humidity Sensing Element: Capacitive type (condensation-resistant, fast response)
Ambient Temperature:
-20 to +60 °C (indoor, wall-mounted, duct type and CO₂);
-5 to +55 °C (indoor type with LCD display);
-15 to +60 °C (wall-mounted and duct type, HVAC);
-40 to +60 °C: probe, wall-mounted and duct type (-20 to +50 °C with LCD display)
Measuring Range:
CO₂ = 0 to 2000/5000/10000 ppm,
T = 0 to 50 °C (scale activated with analog output),
RH = 0 to 100 % RH
Accessories: Replaceable filter available as an accessory
Measuring Medium: Air; pressure-free sensor coating allows measurement in various corrosive media (excluding indoor version)
Power Supply: 24 V DC (standard), others depending on version
Temperature Range:
0 to 50 °C (indoor type; wall-mounted & duct type, HVAC and CO₂);
-40 to +80 °C (wall-mounted & duct type, probe type with Modbus output);
-40 to +60 °C (probe type)
# Product Applications
## Application Scenarios
- Building Automation
- Storage Rooms
- Air Conditioning and Ventilation Control Systems
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